hasil dari (2 1/2 kali 0,75) + (3 3/4:1 7/8) adalah

(2 1/2 x 0,75) + (3 3/4 ÷ 1 7/8)
= (3/2 x 75/100) + (15/4 ÷ 15/8)
= (3/2 x 3/4) + (15/4 x 8/15)
= 9/8 + 120/60
= 135/120 + 240/120
= 375/120 = 3 15/120 = 3 1/8.